Blue-print coating
Blue-print production
Blue-print sheet developing method
Blueprint coating
Body-held viewing support for cameras
Body-mounted support device for a camera
Body-mounted support for low elevation camera
Bond paper photocopying machine
Bond paper photocopying machine
Bonding flexible porous roll to metal shaft
Bonding polymeric dyestuff to substrate
Book for storage of transparencies
Booklet preparation utilizing an electrophotographic apparatus
Borate coinitiators for photopolymerizable compositions
Borate containing photographic processing composition for...
Bore hole probe recording instrument
Bore-sighted step-and-repeat projection alignment and...
Bottle keying system
Bottom sheet separator-feeder
Bottom sheet separator-feeder